Chronology Lab

Seasonal tracker

Use the seasonal dates to synchronize your cadences with equinoxes, solstices, and cultural rhythms.

Key astronomical dates

Seasons

Reference the solstices and equinoxes across the year to anchor planning windows.

Date	Event	Description
Mar 20	March equinox	Day and night balance—the calendar shifts toward spring.
Jun 21	June solstice	Longest day in the northern hemisphere, shortest in the south.
Sep 22	September equinox	Another day/night balance; autumn begins north, spring south.
Dec 21	December solstice	Longest night north, shortest day south—perfect for reflection.

Guidance

Pair these astronomical anchors with your release schedule to avoid sprint fatigue and honor cultural observances aligned with solar changes.

Planting season Summer shift Harvest Winter pause

Note: Use the equinox dates as milestones for creative sprints and the solstices for reflection and recovery windows.